[ko6iue.org] | [Grid Explorer 🌐] | [adi2kml] | [FT8 Can Hear a Pin Drop]

Your QSOs on a Globe

Note: An easier way to view all your contacts on a world map is to use [Grid Explorer] instead of a KML viewer. Grid Explorer has more amateur radio features e.g. band/mode filtering, geodesic paths, global and grid summaries, and more.

Choose an ADI file to convert to KML –>

App updated: 28 Feb 2026. See details below.

Instructions

Click the Browse... button above to select the Amateur Data Interchange Format (ADIF) file you’d like to convert to Keyhole Markup Language (KML) format. There is no limit on the size of ADIF file you can convert.
The conversion will be done inside your web browser for speed and privacy. This page can convert around 120,000 QSOs per second depending on the speed of your computer.
Once the conversion is complete, your browser will either:
1. Automatically save a file named QSOs.kml to your download directory or,
2. A dialog box will pop up asking where to save the file

Using Google Earth or other KML viewers

To see your QSOs on a globe [visit the Google Earth page], click the Open local KML File button (or menu item of the same name) and then select the KML file this page generates for you to load it into Google Earth. The screenshot above show Google Earth with world photos turned on. Click station markers to get details of the station. Use your mouse to spin the globe and navigate around.

While Google Earth is the most fully-featured, you can used any KML viewer you like. For an example, [here are some of my QSOs on a 3D globe using KMZView]. Warning: KMZView displays ads.

Features

A QSO only needs to have a callsign and remote grid to be processed
This page will calculate bearing and distance in km for each QSO as well as summary information like total number of QSOs with the remote station
Each unique QSO will display a point and box placemarks which represents the center and boundary of the station maidenhead grid. The size of the boundary depends on the length of the maidenhead grid provided.
Clicking a station on the globe will trigger a popup which displays information about the station name, number of QSOs, country, QTH, QRZ page, etc.

Limitations

Browsers limit the size of the file you can process to around 2GB. This shouldn’t be an issue since a 2GB ADIF file would contain well over a million QSOs so your ADIF is likely much smaller than the limit.
There is currently no support for ADIF 3 .adx format (XML).
If your the ADIF file exported by your logger does not provide your grid with each QSO, you will not see bearing and distance information. In the future, I’ll probably update this page to allow you to input your grid.

Errors

This page will accept any file and try to extract as much information as possible. If there are ADIF processing errors, you may get a KML file without any placemarks. Since KML files are just text files, you can open the KML file in your favorite text editor to see if there are placemarks inside.
Better error reporting will come in the future.
Make sure to choose “Local device” -> “Open local KML file” option to import the KML file since it doesn’t have feature limitations. If you try to import using “Google Drive” -> “Import KML to map project” you may get an error that only 10,000 features can be imported.

Requirements

ADIF files exported from DX Keeper, [QRZ] and [QLog] have been tested. Other loggers should work too if they follow the ADIF standard.
This code has been tested on Firefox, Chrome, and Edge browsers. This page uses [WebAssembly (WASM)] and might work on other modern browsers with built-in WASM support.

How this works

All [code for this page] is free and open-source.

Getting help

If you have any problems converting your files, please [file an issue] with as much information as you have about the problem. A sample of your ADIF or a link to the complete file would be useful.

You can also feel free to drop me an email at matt@ko6iue.org.

Thanks

Thanks to James Erickson (W7EY) for helping add support for DX Keeper
Thanks to [DX Zone] for listing this page

App Updates

28 Feb 2026: Show both bearing sent and bearing recvd of radio signal
15 Feb 2026: Improved correctness of ADIF parsing
13 Feb 2026: Updated style to use paddles showing the number of QSOs. Placed markers in random location within grid boundary (instead of center) to prevent station overlap.
12 Feb 2026: Complete rewrite of ADIF parsing code which improved performance and compatibility. Now tested with QRZ, DX Keeper, and QLog ADIF files. Parsing is generalized and should support most ADIF exports.
3 Feb 2026: Initial release of web app